Enum CreateError 

pub enum CreateError {
    NoOptimizationVariablesSpecified,
    InvalidConstraintJacobian {
        num_constraints: usize,
        num_constraint_jac_nnz: usize,
    },
    Unknown,
}

Problem create error type. This type is higher level than CreateProblemStatus and it captures inconsistencies with the input before even calling CreateIpoptProblem internally adding safety to this wrapper.

Variants

NoOptimizationVariablesSpecified

No optimization variables were provided.

InvalidConstraintJacobian

The number of Jacobian elements is non-zero, yet no constraints were provided or the number of constraints is non-zero, yet no Jacobian elements were provided.

Fields

num_constraints: usize

Number of constraints set in the problem.

num_constraint_jac_nnz: usize

Number of constraint Jacobian entries specified for the problem.

Unknown

Unexpected error occurred: None of the above. This is likely an internal bug.

Trait Implementations

impl Clone for CreateError

fn clone(&self) -> CreateError

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CreateError

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Display for CreateError

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Error for CreateError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl From<CreateProblemStatus> for CreateError

fn from(_s: CreateProblemStatus) -> CreateError

Converts to this type from the input type.

impl PartialEq for CreateError

fn eq(&self, other: &CreateError) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for CreateError

impl StructuralPartialEq for CreateError